dex_file_to_method_inliner_map.cc revision 867a2b35e67ddcbec089964e8f3cd9a827186e48 
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <algorithm>
18#include <utility>
19#include "thread.h"
20#include "thread-inl.h"
21#include "base/mutex.h"
22#include "base/mutex-inl.h"
23#include "base/logging.h"
24#include "driver/compiler_driver.h"
25
26#include "dex_file_to_method_inliner_map.h"
27
28namespace art {
29
30DexFileToMethodInlinerMap::DexFileToMethodInlinerMap()
31    : lock_("inline_helper_mutex") {
32}
33
34DexFileToMethodInlinerMap::~DexFileToMethodInlinerMap() {
35  for (auto& entry : inliners_) {
36    delete entry.second;
37  }
38}
39
40const DexFileMethodInliner& DexFileToMethodInlinerMap::GetMethodInliner(const DexFile* dex_file) {
41  Thread* self = Thread::Current();
42  {
43    ReaderMutexLock lock(self, lock_);
44    auto it = inliners_.find(dex_file);
45    if (it != inliners_.end()) {
46      return *it->second;
47    }
48  }
49
50  WriterMutexLock lock(self, lock_);
51  DexFileMethodInliner** inliner = &inliners_[dex_file];  // inserts new entry if not found
52  if (*inliner) {
53    return **inliner;
54  }
55  *inliner = new DexFileMethodInliner();
56  DCHECK(*inliner != nullptr);
57  // TODO: per-dex file locking for the intrinsics container filling.
58  (*inliner)->FindIntrinsics(dex_file);
59  return **inliner;
60}
61
62}  // namespace art
63